bdiQWidgetKeyFrameEditor.h

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/****************************************************************************
 * Copyright (c) 2019 VT MAK
 * All rights reserved.
 ****************************************************************************/

#pragma once

#include <vrvFxQt/bdiQWidgetKeyFrameEditor_uic.hpp>

#include <QGraphicsView>
#include <QWidget>
#include <QTime>

class QGraphicsScene;
class FloatKeyFrame;
class ColorKeyFrame;

namespace makVrv
{
   class DtFxParticleDesc;
   class KeyFrameItem;
   class ColorKeyFrameItem;
   class SizeKeyFrameItem;

   class DtFxParticleSystemManager;
   class bdiQWidgetParticleSystem;

   class bdiQWidgetKeyFrameEditor : public QWidget, public Ui::bdiQWidgetKeyFrameEditor_uic
   {
      Q_OBJECT;
   public:

      bdiQWidgetKeyFrameEditor(bdiQWidgetParticleSystem* particle_editor, 
         DtFxParticleSystemManager* manager,  const char* name = 0, Qt::WindowFlags fl = 0);
     virtual ~bdiQWidgetKeyFrameEditor();

      void set_current_t_normalized(float value);
      void set_particle_desc(DtFxParticleDesc* particle_desc);

      virtual void showEvent(QShowEvent* e);
      virtual void hideEvent(QHideEvent* e);

      virtual bool eventFilter(QObject* o, QEvent* e);
      QGraphicsItem* itemAt(QGraphicsScene* scene, const QPointF& pos);
      virtual void emit_changed();

      float get_duration() { return m_duration; }
      virtual void set_current_keyframe(KeyFrameItem* keyframe, int force_update = 0);

      virtual void sortKeys();

      virtual void update_path();
      float get_size_scale() {
         return m_size_scale;
      }


   public slots:

      virtual void slot_menu_handler(QAction* action);
      virtual void slot_edit_data();
      virtual void slot_event_type_changed();
      virtual void slot_read_ui();
      virtual void slot_update_graph(int sliderVal);

   signals:

      void signal_check_save_bit();

   protected:

      void update_ticks();

      void addTicks(QGraphicsView* graphics_view, QGraphicsScene* scene, bool symetric, bool add_y_axis);

      void addYAxis(QGraphicsView* graphics_view, QGraphicsScene* scene);

      void update_events();

      float time_to_pixel(float time);
      float pixel_to_time(int pixel);
      KeyFrameItem* create_size_key(FloatKeyFrame* event, int x);

      KeyFrameItem* create_color_key(ColorKeyFrame* event, int x);
   

   protected:
      KeyFrameItem* finishKeyFrameItem(KeyFrameItem * event_item, int x);

      QGraphicsScene* m_graphics_scene_size;
      QGraphicsScene* m_graphics_scene_color;

      QGraphicsPathItem* m_size_path;
      QVector<QGraphicsItem*> m_tick_markers;
      QVector<QGraphicsItem*> m_y_axis_markers;
      QVector<QGraphicsItem*> m_events;
      QAction* m_create_action;
      QAction* m_delete_action;
      QMenu* m_context_menu;
      int m_last_x_click;
      int m_last_y_click;
      float m_duration;
      float m_time;
      float m_size_scale;
      int m_shown;

      ColorKeyFrameItem* m_current_color_item;
      SizeKeyFrameItem* m_current_size_item;
      KeyFrameItem* m_current_keyframe_item;
      QGraphicsItem* m_last_clicked_item;
      QGraphicsScene* m_active_scene;
      DtFxParticleDesc* m_desc;
      DtFxParticleSystemManager* m_ps_manager;
      bdiQWidgetParticleSystem* m_particle_editor;
   };
};